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Surname Etymology and Meaning of MCCAUGHAN

Name meanings and etymologies are often disputed. The information here is compiled from freely available sources, and no claims whatsoever are made for accuracy, either historical or etymological.

Northern Irish: Anglicized form of Gaelic Mac Eacháin ‘son of Eachán’, a personal name derived from a diminutive of each ‘horse’.

Source: Dictionary of American Family Names (2003)